:root{
    --ink-900:#0d1411; --ink-800:#111a16; --ink-700:#16221c;
    --line:#27392f; --line-soft:#1e2c24;
    --graphite:#8a988f; --graphite-dim:#61706a;
    --paper:#ece7d8; --paper-dim:#c8c2b0;
    --green:#16c47f; --green-bright:#22e58f;
    --amber:#e0a850; --amber-dim:#b9904c;
    --urgent:#e8765a;
    --on-accent:#0d1411;   /* text/stroke that sits on the green accent — stays dark in both themes */
    --margin:72px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  /* ── Light theme: redefine the structural tokens; accents stay vivid ── */
  :root[data-theme="light"]{
    --ink-900:#e8e2d2; --ink-800:#f4f0e6; --ink-700:#fbf8f0;   /* page / cards / insets (raised = lighter) */
    --line:#d8cfb8; --line-soft:#e4ddc9;
    --graphite:#6e7a71; --graphite-dim:#9aa49c;
    --paper:#15201b; --paper-dim:#41504a;                       /* "paper" now means primary INK text */
    --amber:#b07d22; --amber-dim:#8a6526;                       /* darkened for contrast on light */
    --urgent:#cf543a;
  }
  :root[data-theme="light"] .rb-logo{filter:none;}             /* black mark reads as-is on light */
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--ink-900);
    color:var(--paper);
    font-family:'Inter',system-ui,sans-serif;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
    padding-left:var(--margin);
    min-height:100vh;
  }
  /* ── Ledger margin (signature) ───────────────────────────── */
  .margin{
    position:fixed; top:0; left:0; bottom:0; width:var(--margin);
    border-right:1px solid var(--line);
    background:linear-gradient(180deg,var(--ink-800),var(--ink-900));
    z-index:30; display:flex; flex-direction:column; align-items:center;
    justify-content:space-between; padding:18px 0;
  }
  .margin::before{ /* red ledger rule */
    content:""; position:absolute; top:0; bottom:0; right:18px; width:1px;
    background:repeating-linear-gradient(180deg,var(--urgent) 0 6px,transparent 6px 14px);
    opacity:.5;
  }
  .margin .vtext{
    writing-mode:vertical-rl; transform:rotate(180deg);
    font-family:'Space Mono',monospace; font-size:.62rem; letter-spacing:.42em;
    color:var(--graphite-dim); text-transform:uppercase;
  }
  .margin .punch{display:flex;flex-direction:column;gap:14px;align-items:center;}
  .margin .punch i{width:9px;height:9px;border-radius:50%;border:1px solid var(--line);background:var(--ink-900);}

  .wrap{max-width:1080px;margin:0 auto;padding:30px 34px 90px;}

  /* ── Header ──────────────────────────────────────────────── */
  .board-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
    border-bottom:1px solid var(--line);padding-bottom:20px;}
  .brand{display:flex;align-items:center;gap:16px;}
  .rb-logo{width:54px;height:auto;filter:invert(1) brightness(1.6);opacity:.92;}
  .brand .bt .eyebrow{font-family:'Space Mono',monospace;font-size:.64rem;letter-spacing:.34em;
    color:var(--green);text-transform:uppercase;}
  .brand .bt h1{font-family:'Oswald',sans-serif;font-weight:600;font-size:1.9rem;letter-spacing:.01em;
    line-height:1.05;color:var(--paper);}
  .brand .bt .sub{font-family:'Space Mono',monospace;font-size:.66rem;letter-spacing:.14em;
    color:var(--graphite);text-transform:uppercase;margin-top:3px;}
  .head-meta{display:flex;align-items:center;gap:22px;}
  .stamp{text-align:right;}
  .stamp dt{font-family:'Space Mono',monospace;font-size:.58rem;letter-spacing:.2em;color:var(--graphite-dim);text-transform:uppercase;}
  .stamp dd{font-family:'Space Mono',monospace;font-size:.82rem;color:var(--paper-dim);margin-top:2px;}
  .badge{display:inline-flex;align-items:center;gap:6px;font-family:'Space Mono',monospace;font-size:.6rem;
    letter-spacing:.14em;color:var(--green);border:1px solid var(--green);border-radius:2px;padding:3px 7px;text-transform:uppercase;}
  .badge i{width:6px;height:6px;border-radius:50%;background:var(--green-bright);box-shadow:0 0 7px var(--green-bright);}
  .btn{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;
    background:var(--green);color:var(--on-accent);border:none;border-radius:2px;padding:10px 16px;cursor:pointer;
    font-weight:600;transition:transform .15s var(--ease),background .15s;}
  .btn:hover{background:var(--green-bright);transform:translateY(-1px);}
  .btn:active{transform:translateY(0);}
  .btn.ghost{background:transparent;color:var(--paper-dim);border:1px solid var(--line);}
  .btn.ghost:hover{border-color:var(--graphite);color:var(--paper);background:transparent;}

  /* ── Reconnect banner ────────────────────────────────────── */
  .reconnect{display:none;align-items:center;gap:14px;margin-top:18px;padding:12px 16px;
    border:1px solid var(--amber-dim);border-left:3px solid var(--amber);background:rgba(224,168,80,.08);border-radius:3px;}
  .reconnect.show{display:flex;}
  .reconnect .ico{font-family:'Space Mono',monospace;color:var(--amber);font-size:1.1rem;}
  .reconnect p{font-size:.9rem;color:var(--paper-dim);}
  .reconnect b{color:var(--paper);font-weight:600;}
  .reconnect .btn{margin-left:auto;}

  /* ── Summary bar ─────────────────────────────────────────── */
  .summary{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin:24px 0 8px;}
  .summary .today{font-family:'Oswald',sans-serif;font-size:1.05rem;text-transform:uppercase;letter-spacing:.06em;color:var(--paper);}
  .summary .today span{color:var(--amber);}
  .progress{display:flex;align-items:center;gap:10px;font-family:'Space Mono',monospace;font-size:.74rem;color:var(--graphite);}
  .bar{width:120px;height:5px;border-radius:3px;background:var(--line-soft);overflow:hidden;}
  .bar i{display:block;height:100%;background:var(--green);width:0;transition:width .5s var(--ease);}
  .chips{display:flex;gap:8px;margin-left:auto;flex-wrap:wrap;}
  .chip{font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.08em;color:var(--graphite);
    border:1px solid var(--line);border-radius:2px;padding:4px 8px;text-transform:uppercase;cursor:pointer;transition:.15s;}
  .chip:hover{border-color:var(--graphite);color:var(--paper-dim);}
  .chip b{color:var(--green);}

  /* ── Groups + items ──────────────────────────────────────── */
  .group{margin-top:30px;}
  .group-head{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
  .group-head .lbl{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.16em;font-size:.92rem;}
  .group-head .ct{font-family:'Space Mono',monospace;font-size:.66rem;color:var(--graphite-dim);}
  .group-head .rule{flex:1;height:1px;background:var(--line);}
  .group.urgent .lbl{color:var(--urgent);}
  .group.today .lbl{color:var(--amber);}
  .group.soon .lbl{color:var(--green);}

  .item{position:relative;border:1px solid var(--line-soft);border-radius:4px;background:var(--ink-800);
    margin-bottom:9px;overflow:hidden;transition:border-color .18s,opacity .35s;}
  .item:hover{border-color:var(--line);}
  .item-row{display:flex;align-items:flex-start;gap:13px;padding:13px 15px;}
  .dot{flex:0 0 auto;width:9px;height:9px;border-radius:50%;margin-top:6px;}
  .urgent .dot{background:var(--urgent);box-shadow:0 0 8px rgba(232,118,90,.6);}
  .today .dot{background:var(--amber);}
  .soon .dot{background:var(--green);}
  .check{flex:0 0 auto;width:20px;height:20px;border:1.5px solid var(--graphite-dim);border-radius:3px;margin-top:1px;
    cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;background:transparent;}
  .check:hover{border-color:var(--green);}
  .check svg{width:12px;height:12px;stroke:var(--on-accent);stroke-width:3;fill:none;opacity:0;transition:opacity .15s;}
  .it-body{flex:1;min-width:0;}
  .it-text{font-size:.98rem;color:var(--paper);font-weight:500;line-height:1.4;}
  .it-meta{display:flex;align-items:center;gap:9px;margin-top:6px;flex-wrap:wrap;}
  .src{font-family:'Space Mono',monospace;font-size:.62rem;color:var(--graphite);letter-spacing:.04em;
    border:1px solid var(--line);border-radius:2px;padding:2px 6px;}
  .deadline{font-family:'Space Mono',monospace;font-size:.62rem;color:var(--urgent);letter-spacing:.04em;font-weight:700;}
  .today .deadline{color:var(--amber);}
  .flag-new{font-family:'Space Mono',monospace;font-size:.56rem;letter-spacing:.12em;color:var(--on-accent);
    background:var(--green);border-radius:2px;padding:2px 6px;font-weight:700;}

  /* checked state + DONE stamp */
  .item.done{opacity:.55;}
  .item.done .it-text{text-decoration:line-through;text-decoration-color:var(--graphite-dim);color:var(--graphite);}
  .item.done .check{background:var(--green);border-color:var(--green);}
  .item.done .check svg{opacity:1;}
  .item.done .dot{filter:grayscale(1);box-shadow:none;}
  .stamp-done{position:absolute;top:9px;right:16px;font-family:'Space Mono',monospace;font-weight:700;
    font-size:.7rem;letter-spacing:.18em;color:var(--green);border:1.5px solid var(--green);border-radius:3px;
    padding:2px 8px;transform:rotate(-7deg);opacity:0;transition:opacity .2s;pointer-events:none;}
  .item.done .stamp-done{opacity:.85;}

  .ignored{margin-top:26px;border:1px dashed var(--line);border-radius:4px;padding:12px 16px;
    font-family:'Space Mono',monospace;font-size:.72rem;color:var(--graphite-dim);display:flex;align-items:center;gap:10px;}
  .ignored b{color:var(--graphite);}

  footer{margin-top:40px;border-top:1px solid var(--line);padding-top:16px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
  footer .note{font-family:'Space Mono',monospace;font-size:.62rem;color:var(--graphite-dim);margin-right:auto;}

  .toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;
    background:var(--ink-700);border:1px solid var(--green);color:var(--paper);font-family:'Space Mono',monospace;
    font-size:.76rem;padding:11px 18px;border-radius:4px;z-index:70;transition:.3s var(--ease);pointer-events:none;letter-spacing:.03em;}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

  .empty-state{font-family:'Space Mono',monospace;font-size:.76rem;color:var(--graphite-dim);
    text-align:center;padding:40px 0;letter-spacing:.06em;}

  @media (max-width:640px){
    :root{--margin:40px;}
    .wrap{padding:22px 16px 80px;}
    .brand .bt h1{font-size:1.5rem;}
    .head-meta{gap:14px;}
    .chips{margin-left:0;width:100%;}
  }
  /* ── Theme toggle button ── */
  .theme-toggle{
    background:transparent;border:1px solid var(--line);color:var(--graphite);
    border-radius:2px;width:34px;height:34px;cursor:pointer;font-size:1rem;line-height:1;
    display:inline-flex;align-items:center;justify-content:center;
    transition:border-color .15s var(--ease),color .15s var(--ease);
  }
  .theme-toggle:hover{border-color:var(--graphite);color:var(--paper);}

  @media (prefers-reduced-motion:reduce){*{transition:none!important;}}